单项选择题
What is the importance of using Virtual Output Queues on ingress Line Cards in a high-end router？（）
A.Prevents head-of-line blocking
B.Uses less memory
C.Increases forwarding performance
D.Simplifies configuration
相关考题
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单项选择题
InAnyTransportoverMPLS（AtoM）Controlwordisanoptional4-bytefieldusedinthepseudowirepacket.ThecontrolwordcarriesgenericandLayer2payload-specificinformationtoemulateL2packetscorrectly.Inpseudowirepacket，whereisthisControlWordinserted？（）
A.Inserted between the MPLS label stack and the Layer 3 payload
B.Inserted between the MPLS label stack and the Layer 3 Header
C.Inserted between the MPLS label stack and the Layer 2 payload
D.Inserted between the MPLS label stack and the Layer 2 header -
单项选择题
WhatbestexplainstheBGProute-reflectorfunction？（）
A.BGP route-reflector should be in forwarding path of data coming from its clients
B.BGP route-reflector does not have to be in the forwarding path of data coming from its clients
C.BGP route-reflector will stop reflecting the routes if they’re not directly-connected clients
D.None of the above -
单项选择题
WhichofthefollowingeventscanNOTbetunedviarouterconfigurationtoprovideforfasterconvergencefollowingalinkfailure？（）
A.Failure detection
B.Failure reporting
C.IGP LSP/LSA originatio
D.Per-hop flooding time of new link state
E.Number of hops that need to be notified of new link state
